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authorDamien Zammit <damien@zamaudio.com>2017-10-04 20:07:47 +1100
committerKyösti Mälkki <kyosti.malkki@gmail.com>2017-10-14 08:00:34 +0000
commitd2b5b734e8d303f35f99523809e3b1044fe5f203 (patch)
treedb3ce4c04fd60a9c0ff00496b7f28239cf2da147 /src/mainboard/biostar/a68n_5200/romstage.c
parent66030fa5ab35ac54b2569532a36c6baacc0bde40 (diff)
biostar/a68n_5200: Clone amd/olivehill
Altered Kconfig board names to make it pass lint Change-Id: I9ccfe014a0e3a70148463fc9f8de02b500fac69e Signed-off-by: Damien Zammit <damien@zamaudio.com> Reviewed-on: https://review.coreboot.org/21871 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/mainboard/biostar/a68n_5200/romstage.c')
-rw-r--r--src/mainboard/biostar/a68n_5200/romstage.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/mainboard/biostar/a68n_5200/romstage.c b/src/mainboard/biostar/a68n_5200/romstage.c
new file mode 100644
index 0000000000..8190cb7711
--- /dev/null
+++ b/src/mainboard/biostar/a68n_5200/romstage.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <arch/stages.h>
+#include <device/pnp_def.h>
+#include <console/console.h>
+#include <commonlib/loglevel.h>
+#include <northbridge/amd/agesa/state_machine.h>
+#include <southbridge/amd/agesa/hudson/hudson.h>
+
+void board_BeforeAgesa(struct sysinfo *cb)
+{
+ int i;
+ u32 val;
+
+ /* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
+ * LpcClk[1:0]". To be consistent with Parmer, setting to 4mA
+ * even though the register is not documented in the Kabini BKDG.
+ * Otherwise the serial output is bad code.
+ */
+ outb(0xD2, 0xcd6);
+ outb(0x00, 0xcd7);
+
+ /* Disable PCI-PCI bridge and release GPIO32/33 for other uses. */
+ outb(0xea, 0xcd6);
+ outb(0x1, 0xcd7);
+
+ /* Set LPC decode enables. */
+ pci_devfn_t dev = PCI_DEV(0, 0x14, 3);
+ pci_write_config32(dev, 0x44, 0xff03ffd5);
+
+ hudson_lpc_port80();
+
+ /* On Larne, after LpcClkDrvSth is set, it needs some time to be stable, because of the buffer ICS551M */
+ for (i = 0; i < 200000; i++)
+ val = inb(0xcd6);
+}